Physics-
General
Easy
Question
An ideal gas undergoes the process 
as shown in the figure, the heat supplied and work done in the process is 
Q and 
respectively. The ratio : DW is
: – 1
-
- – 1
- – 1
: – 1
– 1
– 1
The correct answer is: : – 1
Related Questions to study
physics-
A student records 
for a thermodynamic cycle 
. Certain entries are missing. Find correct entry in following options
A student records for a thermodynamic cycle . Certain entries are missing. Find correct entry in following options
physics-General
Physics-
The ratio of average translational kinetic energy to rotational kinetic energy of a diatomic molecule at temperature T is
The ratio of average translational kinetic energy to rotational kinetic energy of a diatomic molecule at temperature T is
Physics-General
physics-
A process is shown in the diagram. Which of the following curves may represent the same process ?
A process is shown in the diagram. Which of the following curves may represent the same process ?
physics-General
physics-
An ideal gas is taken from state 1 to state 2 through optional path A, B, C & D as shown in P-V diagram. Let Q, W and U represent the heat supplied, work done & internal energy of the gas respectively. Then
An ideal gas is taken from state 1 to state 2 through optional path A, B, C & D as shown in P-V diagram. Let Q, W and U represent the heat supplied, work done & internal energy of the gas respectively. Then
physics-General
physics-
A given mass of a gas expands from a state A to the state B by three paths 1, 2 and 3 as shown in T-V indicator diagram. If W1, W2 and W3 respectively be the work done by the gas along the three paths, then
A given mass of a gas expands from a state A to the state B by three paths 1, 2 and 3 as shown in T-V indicator diagram. If W1, W2 and W3 respectively be the work done by the gas along the three paths, then
physics-General
physics-
PV curve for the process whose VT curve is
PV curve for the process whose VT curve is
physics-General
physics-
A long plank P of the mass 5 kg is placed on a smooth floor. On P is placed a block Q of mass 2 kg. The coefficient of friction between P and Q is 0.5. If a horizontal force 15N is applied to Q, as shown, and you may take g as 10N/kg
A long plank P of the mass 5 kg is placed on a smooth floor. On P is placed a block Q of mass 2 kg. The coefficient of friction between P and Q is 0.5. If a horizontal force 15N is applied to Q, as shown, and you may take g as 10N/kg
physics-General
physics-
From a uniform disc of radius R, an equilateral triangle of side 
is cut as shown. The new position of centre of mass is :
From a uniform disc of radius R, an equilateral triangle of side is cut as shown. The new position of centre of mass is :
physics-General
Physics-
A sphere strikes a wall and rebounds with coefficient of restitution 1/3. If it rebounds with a velocity of 0.1 m/sec at an angle of 60° to the normal to the wall, the loss of kinetic energy is
A sphere strikes a wall and rebounds with coefficient of restitution 1/3. If it rebounds with a velocity of 0.1 m/sec at an angle of 60° to the normal to the wall, the loss of kinetic energy is
Physics-General
physics-
From the velocity time graph of a particle moving in straight line decide which of the following is incorrect statement.
From the velocity time graph of a particle moving in straight line decide which of the following is incorrect statement.
physics-General
Physics-
A man moves in x-y plane along the path shown. At what point is his average velocity vector in the same direction as his instantaneous velocity vector. The man starts from point P.
A man moves in x-y plane along the path shown. At what point is his average velocity vector in the same direction as his instantaneous velocity vector. The man starts from point P.
Physics-General
physics-
In the system shown in the figure there is no friction anywhere. The block C goes down by a distance x0 = 10 cm with respect to wedge D when system is released from rest. The velocity of A with respect to B will be (g=10m/s2)
In the system shown in the figure there is no friction anywhere. The block C goes down by a distance x0 = 10 cm with respect to wedge D when system is released from rest. The velocity of A with respect to B will be (g=10m/s2)
physics-General
physics-
Block B of mass 100 kg rests on a rough surface of friction coefficient 
= 1/3. A rope is tied to block B as shown in figure. The maximum acceleration with which boy A of 25 kg can climbs on rope without making block move is :
Block B of mass 100 kg rests on a rough surface of friction coefficient = 1/3. A rope is tied to block B as shown in figure. The maximum acceleration with which boy A of 25 kg can climbs on rope without making block move is :
physics-General
physics-
Two masses m and M are attached to the strings as shown in the figure. If the system is in equilibrium, then
Two masses m and M are attached to the strings as shown in the figure. If the system is in equilibrium, then
physics-General
Physics-
With what minimum velocity should block be projected from left end A towards end B such that it reaches the other end B of conveyer belt moving with constant velocity v. Friction coefficient between block and belt is m.
With what minimum velocity should block be projected from left end A towards end B such that it reaches the other end B of conveyer belt moving with constant velocity v. Friction coefficient between block and belt is m.
Physics-General
